Data Points For Detailed Diagnostics Of The Sentron Circuit Breakers - Siemens SENTRON VL Series System Manual

8.5.3

Data points for detailed diagnostics of the SENTRON circuit breakers

The SENTRON circuit breakers provide a host of data for detailed diagnostics shown in the
table below:
Table 8- 3 Data points for detailed diagnostics of the SENTRON circuit breakers
Description
PROFIBUS write protection
(DPWriteEnable)
Trip log of the last 5 tripping
operations with time
Event log of the last 10 events with
time
Number of switching operations under
load
Number of switching operations
caused by trips
Switching cycle counter (for switching
cycle on/off)
Runtime meter (when On + current
> 0)
Number of short-circuit releases (SI)
Number of overload trips (L)
Number of ground-fault tripping
operations (G)
Total of deactivated I²t values L1, L2,
L3, N
Tripping operations by metering
function PLUS
Threshold warnings
Harmonics of current/voltage to the
29th
Order number of the trip unit
Time until presumed overload trip
Last unacknowledged tripping
operation of the trip unit
Currently pending alarms
Current at the moment of shutdown
Phase at the moment of shutdown
Switch position at the digital input
module 1
3WL/3VL circuit breakers with communication capability - PROFIBUS
System Manual, 03/2011, A5E01051353-02
Data Source Source
point WL VL
14 COM15 COM20
15 COM15 COM20
16 COM15 —
80 COM15 —
81 COM15 COM20
82 COM15 —
83 COM15 COM20
104 ETU COM20
105 ETU COM20
106 ETU COM20
107 ETU COM20
307 Meter. —
fct.
PLUS
308 Meter. —
fct.
PLUS
309 Meter. —
fct.
PLUS
371 ETU —
379 ETU —
401 ETU ETU
402 ETU ETU
403 ETU ETU
404 ETU ETU
111 DI1 —
Format Length
(bits)
Format (14) 1
Format (15) 480
Format (16) 960
unsigned int 16
unsigned int 16
unsigned int 16
unsigned 32
long
unsigned int 16
unsigned int 16
unsigned int 16
Format 128
(107)
Format 16
(307)
Format 32
(308)
Format 928
(309)
18 x char 144
unsigned int 16
Format 8
(401)
Format 16
(402)
unsigned int 16
Format 3
(373)
Format 8
(111)
Data library
8.5 Function classes
Scaling Contained
in DS.Byte
— DS69.11
— DS51.0
— DS51.60
DS92.42
0 DS91.0
0 DS91.2
0 DS91.4
0 DS91.6
0 DS91.18
0 DS91.20
0 DS91.22
0 DS91.24
— DS92.28
— DS92.30
0 DS64.0
— DS97.126
0 DS51.1
— DS92.26
— DS92.24
0(VL)/1 DS92.34
— DS92.36
— DS69.3
179